diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java')
| -rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java | 150 |
1 files changed, 109 insertions, 41 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java index c125165a8..128928bb3 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java @@ -49,7 +49,7 @@ import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.operations.results.OperationResult; import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType; import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog; -import org.sufficientlysecure.keychain.operations.results.EditKeyResult; +import org.sufficientlysecure.keychain.operations.results.PgpEditKeyResult; import org.sufficientlysecure.keychain.service.SaveKeyringParcel; import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Algorithm; import org.sufficientlysecure.keychain.service.SaveKeyringParcel.ChangeUnlockParcel; @@ -301,7 +301,7 @@ public class PgpKeyOperation { } } - public EditKeyResult createSecretKeyRing(SaveKeyringParcel saveParcel) { + public PgpEditKeyResult createSecretKeyRing(SaveKeyringParcel saveParcel) { OperationLog log = new OperationLog(); int indent = 0; @@ -314,23 +314,23 @@ public class PgpKeyOperation { if (saveParcel.mAddSubKeys.isEmpty()) { log.add(LogType.MSG_CR_ERROR_NO_MASTER, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } if (saveParcel.mAddUserIds.isEmpty()) { log.add(LogType.MSG_CR_ERROR_NO_USER_ID, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } SubkeyAdd add = saveParcel.mAddSubKeys.remove(0); if ((add.mFlags & KeyFlags.CERTIFY_OTHER) != KeyFlags.CERTIFY_OTHER) { log.add(LogType.MSG_CR_ERROR_NO_CERTIFY, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } if (add.mExpiry == null) { log.add(LogType.MSG_CR_ERROR_NULL_EXPIRY, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } subProgressPush(10, 30); @@ -339,7 +339,7 @@ public class PgpKeyOperation { // return null if this failed (an error will already have been logged by createKey) if (keyPair == null) { - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } progress(R.string.progress_building_master_key, 40); @@ -366,10 +366,10 @@ public class PgpKeyOperation { } catch (PGPException e) { log.add(LogType.MSG_CR_ERROR_INTERNAL_PGP, indent); Log.e(Constants.TAG, "pgp error encoding key", e); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } catch (IOException e) { Log.e(Constants.TAG, "io error encoding key", e); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } } @@ -389,7 +389,7 @@ public class PgpKeyOperation { * handling of errors should be done in UI code! * */ - public EditKeyResult modifySecretKeyRing(CanonicalizedSecretKeyRing wsKR, SaveKeyringParcel saveParcel, + public PgpEditKeyResult modifySecretKeyRing(CanonicalizedSecretKeyRing wsKR, SaveKeyringParcel saveParcel, String passphrase) { OperationLog log = new OperationLog(); @@ -414,7 +414,7 @@ public class PgpKeyOperation { // Make sure this is called with a proper SaveKeyringParcel if (saveParcel.mMasterKeyId == null || saveParcel.mMasterKeyId != wsKR.getMasterKeyId()) { log.add(LogType.MSG_MF_ERROR_KEYID, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // We work on bouncycastle object level here @@ -425,7 +425,7 @@ public class PgpKeyOperation { if (saveParcel.mFingerprint == null || !Arrays.equals(saveParcel.mFingerprint, masterSecretKey.getPublicKey().getFingerprint())) { log.add(LogType.MSG_MF_ERROR_FINGERPRINT, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // read masterKeyFlags, and use the same as before. @@ -439,7 +439,7 @@ public class PgpKeyOperation { } - private EditKeyResult internal(PGPSecretKeyRing sKR, PGPSecretKey masterSecretKey, + private PgpEditKeyResult internal(PGPSecretKeyRing sKR, PGPSecretKey masterSecretKey, int masterKeyFlags, long masterKeyExpiry, SaveKeyringParcel saveParcel, String passphrase, OperationLog log) { @@ -461,7 +461,7 @@ public class PgpKeyOperation { masterPrivateKey = masterSecretKey.extractPrivateKey(keyDecryptor); } catch (PGPException e) { log.add(LogType.MSG_MF_UNLOCK_ERROR, indent + 1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } } @@ -470,7 +470,7 @@ public class PgpKeyOperation { // Check if we were cancelled if (checkCancelled()) { log.add(LogType.MSG_OPERATION_CANCELLED, indent); - return new EditKeyResult(EditKeyResult.RESULT_CANCELLED, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null); } { // work on master secret key @@ -487,7 +487,7 @@ public class PgpKeyOperation { if (userId.equals("")) { log.add(LogType.MSG_MF_UID_ERROR_EMPTY, indent + 1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // this operation supersedes all previous binding and revocation certificates, @@ -499,7 +499,7 @@ public class PgpKeyOperation { if (cert.getKeyID() != masterPublicKey.getKeyID()) { // foreign certificate?! error error error log.add(LogType.MSG_MF_ERROR_INTEGRITY, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } if (cert.getSignatureType() == PGPSignature.CERTIFICATION_REVOCATION || cert.getSignatureType() == PGPSignature.NO_CERTIFICATION @@ -541,7 +541,7 @@ public class PgpKeyOperation { } if (!exists) { log.add(LogType.MSG_MF_ERROR_NOEXIST_REVOKE, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // a duplicate revocation will be removed during canonicalization, so no need to @@ -572,7 +572,7 @@ public class PgpKeyOperation { if (cert.getKeyID() != masterPublicKey.getKeyID()) { // foreign certificate?! error error error log.add(LogType.MSG_MF_ERROR_INTEGRITY, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // we know from canonicalization that if there is any revocation here, it // is valid and not superseded by a newer certification. @@ -593,7 +593,7 @@ public class PgpKeyOperation { if (currentCert == null) { // no certificate found?! error error error log.add(LogType.MSG_MF_ERROR_INTEGRITY, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // we definitely should not update certifications of revoked keys, so just leave it. @@ -601,7 +601,7 @@ public class PgpKeyOperation { // revoked user ids cannot be primary! if (userId.equals(saveParcel.mChangePrimaryUserId)) { log.add(LogType.MSG_MF_ERROR_REVOKED_PRIMARY, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } continue; } @@ -650,7 +650,7 @@ public class PgpKeyOperation { if (!ok) { log.add(LogType.MSG_MF_ERROR_NOEXIST_PRIMARY, indent); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } } @@ -666,7 +666,7 @@ public class PgpKeyOperation { // Check if we were cancelled - again if (checkCancelled()) { log.add(LogType.MSG_OPERATION_CANCELLED, indent); - return new EditKeyResult(EditKeyResult.RESULT_CANCELLED, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null); } // 4a. For each subkey change, generate new subkey binding certificate @@ -682,7 +682,7 @@ public class PgpKeyOperation { if (sKey == null) { log.add(LogType.MSG_MF_ERROR_SUBKEY_MISSING, indent + 1, KeyFormattingUtils.convertKeyIdToHex(change.mKeyId)); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // expiry must not be in the past @@ -690,7 +690,7 @@ public class PgpKeyOperation { new Date(change.mExpiry*1000).before(new Date())) { log.add(LogType.MSG_MF_ERROR_PAST_EXPIRY, indent + 1, KeyFormattingUtils.convertKeyIdToHex(change.mKeyId)); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // if this is the master key, update uid certificates instead @@ -700,7 +700,7 @@ public class PgpKeyOperation { if ((flags & KeyFlags.CERTIFY_OTHER) != KeyFlags.CERTIFY_OTHER) { log.add(LogType.MSG_MF_ERROR_NO_CERTIFY, indent + 1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } PGPPublicKey pKey = @@ -708,7 +708,7 @@ public class PgpKeyOperation { flags, expiry, indent, log); if (pKey == null) { // error log entry has already been added by updateMasterCertificates itself - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } masterSecretKey = PGPSecretKey.replacePublicKey(sKey, pKey); masterPublicKey = pKey; @@ -763,7 +763,7 @@ public class PgpKeyOperation { if (sKey == null) { log.add(LogType.MSG_MF_ERROR_SUBKEY_MISSING, indent+1, KeyFormattingUtils.convertKeyIdToHex(revocation)); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } PGPPublicKey pKey = sKey.getPublicKey(); @@ -788,7 +788,7 @@ public class PgpKeyOperation { if (sKey == null) { log.add(LogType.MSG_MF_ERROR_SUBKEY_MISSING, indent+1, KeyFormattingUtils.convertKeyIdToHex(strip)); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // IT'S DANGEROUS~ @@ -806,7 +806,7 @@ public class PgpKeyOperation { // Check if we were cancelled - again. This operation is expensive so we do it each loop. if (checkCancelled()) { log.add(LogType.MSG_OPERATION_CANCELLED, indent); - return new EditKeyResult(EditKeyResult.RESULT_CANCELLED, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null); } progress(R.string.progress_modify_subkeyadd, (i-1) * (100 / saveParcel.mAddSubKeys.size())); @@ -816,12 +816,12 @@ public class PgpKeyOperation { if (add.mExpiry == null) { log.add(LogType.MSG_MF_ERROR_NULL_EXPIRY, indent +1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } if (add.mExpiry > 0L && new Date(add.mExpiry*1000).before(new Date())) { log.add(LogType.MSG_MF_ERROR_PAST_EXPIRY, indent +1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // generate a new secret key (privkey only for now) @@ -833,7 +833,7 @@ public class PgpKeyOperation { subProgressPop(); if (keyPair == null) { log.add(LogType.MSG_MF_ERROR_PGP, indent +1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } // add subkey binding signature (making this a sub rather than master key) @@ -868,7 +868,7 @@ public class PgpKeyOperation { // Check if we were cancelled - again. This operation is expensive so we do it each loop. if (checkCancelled()) { log.add(LogType.MSG_OPERATION_CANCELLED, indent); - return new EditKeyResult(EditKeyResult.RESULT_CANCELLED, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null); } // 6. If requested, change passphrase @@ -877,10 +877,11 @@ public class PgpKeyOperation { log.add(LogType.MSG_MF_PASSPHRASE, indent); indent += 1; - sKR = applyNewUnlock(sKR, masterPublicKey, passphrase, saveParcel.mNewUnlock, log, indent); + sKR = applyNewUnlock(sKR, masterPublicKey, masterPrivateKey, + passphrase, saveParcel.mNewUnlock, log, indent); if (sKR == null) { // The error has been logged above, just return a bad state - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } indent -= 1; @@ -889,38 +890,105 @@ public class PgpKeyOperation { } catch (IOException e) { Log.e(Constants.TAG, "encountered IOException while modifying key", e); log.add(LogType.MSG_MF_ERROR_ENCODE, indent+1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } catch (PGPException e) { Log.e(Constants.TAG, "encountered pgp error while modifying key", e); log.add(LogType.MSG_MF_ERROR_PGP, indent+1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } catch (SignatureException e) { Log.e(Constants.TAG, "encountered SignatureException while modifying key", e); log.add(LogType.MSG_MF_ERROR_SIG, indent+1); - return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null); + return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null); } progress(R.string.progress_done, 100); log.add(LogType.MSG_MF_SUCCESS, indent); - return new EditKeyResult(OperationResult.RESULT_OK, log, new UncachedKeyRing(sKR)); + return new PgpEditKeyResult(OperationResult.RESULT_OK, log, new UncachedKeyRing(sKR)); } private static PGPSecretKeyRing applyNewUnlock( PGPSecretKeyRing sKR, PGPPublicKey masterPublicKey, + PGPPrivateKey masterPrivateKey, String passphrase, ChangeUnlockParcel newUnlock, OperationLog log, int indent) throws PGPException { if (newUnlock.mNewPassphrase != null) { - return applyNewPassphrase(sKR, masterPublicKey, passphrase, newUnlock.mNewPassphrase, log, indent); + sKR = applyNewPassphrase(sKR, masterPublicKey, passphrase, newUnlock.mNewPassphrase, log, indent); + + // if there is any old packet with notation data + if (hasNotationData(sKR)) { + + log.add(LogType.MSG_MF_NOTATION_EMPTY, indent); + + // add packet with EMPTY notation data (updates old one, but will be stripped later) + PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder( + masterPrivateKey.getPublicKeyPacket().getAlgorithm(), HashAlgorithmTags.SHA512) + .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME); + PGPSignatureGenerator sGen = new PGPSignatureGenerator(signerBuilder); + { // set subpackets + PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator(); + hashedPacketsGen.setExportable(false, false); + sGen.setHashedSubpackets(hashedPacketsGen.generate()); + } + sGen.init(PGPSignature.DIRECT_KEY, masterPrivateKey); + PGPSignature emptySig = sGen.generateCertification(masterPublicKey); + + masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, emptySig); + sKR = PGPSecretKeyRing.insertSecretKey(sKR, + PGPSecretKey.replacePublicKey(sKR.getSecretKey(), masterPublicKey)); + } + + return sKR; + } + + if (newUnlock.mNewPin != null) { + sKR = applyNewPassphrase(sKR, masterPublicKey, passphrase, newUnlock.mNewPin, log, indent); + + log.add(LogType.MSG_MF_NOTATION_PIN, indent); + + // add packet with "pin" notation data + PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder( + masterPrivateKey.getPublicKeyPacket().getAlgorithm(), HashAlgorithmTags.SHA512) + .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME); + PGPSignatureGenerator sGen = new PGPSignatureGenerator(signerBuilder); + { // set subpackets + PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator(); + hashedPacketsGen.setExportable(false, false); + hashedPacketsGen.setNotationData(false, true, "unlock.pin@sufficientlysecure.org", "1"); + sGen.setHashedSubpackets(hashedPacketsGen.generate()); + } + sGen.init(PGPSignature.DIRECT_KEY, masterPrivateKey); + PGPSignature emptySig = sGen.generateCertification(masterPublicKey); + + masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, emptySig); + sKR = PGPSecretKeyRing.insertSecretKey(sKR, + PGPSecretKey.replacePublicKey(sKR.getSecretKey(), masterPublicKey)); + + return sKR; } throw new UnsupportedOperationException("PIN passphrases not yet implemented!"); } + /** This method returns true iff the provided keyring has a local direct key signature + * with notation data. + */ + private static boolean hasNotationData(PGPSecretKeyRing sKR) { + // noinspection unchecked + Iterator<PGPSignature> sigs = sKR.getPublicKey().getKeySignatures(); + while (sigs.hasNext()) { + WrappedSignature sig = new WrappedSignature(sigs.next()); + if (sig.getSignatureType() == PGPSignature.DIRECT_KEY + && sig.isLocal() && !sig.getNotation().isEmpty()) { + return true; + } + } + return false; + } private static PGPSecretKeyRing applyNewPassphrase( PGPSecretKeyRing sKR, |